The Pollak Precision Ball Switch 21-562 is a normally open encapsulated with wire leads switch that features a Packard Metri-Pack connector with 9/16-18 thread and 7/8 hex. This switch has a .406/.391 (10.31-09.93) Amp make/break and -40 to -250°F temperature ratings. Pollak has provided custom switches to meet the requirements of OEM's and aftermarket suppliers.